1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.tools;
24  
25  import com.liferay.portal.image.ImageProcessorImpl;
26  import com.liferay.portal.kernel.image.ImageBag;
27  import com.liferay.portal.kernel.util.GetterUtil;
28  
29  import java.awt.image.RenderedImage;
30  
31  import java.io.File;
32  
33  import javax.imageio.ImageIO;
34  
35  /**
36   * <a href="ThumbnailBuilder.java.html"><b><i>View Source</i></b></a>
37   *
38   * @author Brian Wing Shun Chan
39   */
40  public class ThumbnailBuilder {
41  
42      public static void main(String[] args) {
43          File originalFile = new File(
44              System.getProperty("thumbnail.original.file"));
45          File thumbnailFile = new File(
46              System.getProperty("thumbnail.thumbnail.file"));
47          int height = GetterUtil.getInteger(
48              System.getProperty("thumbnail.height"));
49          int width = GetterUtil.getInteger(
50              System.getProperty("thumbnail.width"));
51          boolean overwrite = GetterUtil.getBoolean(
52              System.getProperty("thumbnail.overwrite"));
53  
54          new ThumbnailBuilder(
55              originalFile, thumbnailFile, height, width, overwrite);
56      }
57  
58      public ThumbnailBuilder(
59          File originalFile, File thumbnailFile, int height, int width,
60          boolean overwrite) {
61  
62          try {
63              if (!originalFile.exists()) {
64                  return;
65              }
66  
67              if (!overwrite) {
68                  if (thumbnailFile.lastModified() >
69                          originalFile.lastModified()) {
70  
71                      return;
72                  }
73              }
74  
75              ImageBag imageBag = _imageProcessorUtil.read(originalFile);
76  
77              RenderedImage thumbnail = _imageProcessorUtil.scale(
78                  imageBag.getRenderedImage(), height, width);
79  
80              ImageIO.write(thumbnail, imageBag.getType(), thumbnailFile);
81          }
82          catch (Exception e) {
83              e.printStackTrace();
84          }
85      }
86  
87      private static ImageProcessorImpl _imageProcessorUtil =
88          ImageProcessorImpl.getInstance();
89  
90  }